<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="main" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from "echarts";
import _ from "lodash";
export default {
  data() {
    return {
      options: {
        title: {
          text: "用户来源",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3",
            },
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
          },
        ],
        yAxis: [
          {
            type: "value",
          },
        ],
      },
    };
  },
  methods: {},
  created() {},
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById("main"));

    //指定图标的配置项和数据
    const { data: res } = await this.$http.get("reports/type/1");
    if (res.meta.status != 200) {
      return this.$message.error("获取数据失败");
    }
    // 利用lodash合并数据配置项
    const result = _.merge(res.data, this.options);
    // 使用刚指定的配置项和数据显示图表
    myChart.setOption(result);
    // 绘制图表
    // myChart.setOption({
    //   title: {
    //     text: "ECharts 入门示例",
    //   },
    //   tooltip: {},
    //   xAxis: {
    //     data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"],
    //   },
    //   yAxis: {},
    //   series: [
    //     {
    //       name: "销量",
    //       type: "bar",
    //       data: [5, 20, 36, 10, 10, 20],
    //     },
    //   ],
    // });
    // console.log(echarts);
  },
};
</script>

<style lang='less' scoped>
</style>